fix(build): fix __DEV__ flag replacement edge case

close #8353

rollup.config.js

@@ -193,7 +193,7 @@ function createConfig(format, output, plugins = []) {
     if (isBundlerESMBuild) {
       Object.assign(replacements, {
         // preserve to be handled by bundlers
-        __DEV__: `(process.env.NODE_ENV !== 'production')`
+        __DEV__: `!!(process.env.NODE_ENV !== 'production')`
       })
     }